Submission #1473808

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Source Code Expand

#include <stdio.h>                                                                                           
#include <string.h>                                                                                          
#include <stdlib.h>                                                                                          
                                                                                                             
int main(void)                                                                                               
{                                                                                                            
        int num, cut = 0, i;                                                                                 
        int *hana = NULL;                                                                                    
                                                                                                             
        scanf("%d", &num);                                                                                   
                                                                                                             
        if ((hana = calloc(sizeof(int), num)) == NULL) {                                                     
                return -1;                                                                                   
        }                                                                                                    
                                                                                                             
        for (i = 0; i < num; i++) {                                                                          
                scanf("%d", &hana[i]);                                                                       
        }                                                                                                    
                                                                                                             
        for (i = 0; i < num; i++) {                                                                          
                if (hana[i] < 3) {                                                                           
                        cut += hana[i] - 1;                                                                  
                } else if (hana[i] >= 3 && hana[i] < 7) {                                                    
                        cut += hana[i] - 3;                                                                  
                } else if (hana[i] >= 7 && hana[i] < 9) {                                                    
                        cut += hana[i] - 7;                                                                  
                }                                                                                            
        }                                                                                                    
                                                                                                             
        printf("%d\n", cut);                                                                                 
        free(hana);                                                                                          
        return 0;                                                                                            
} 

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:10:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &num);                                                                                   
         ^
./Main.c:17:17: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%d", &hana[i]);                                                                       
                 ^

Judge Result